128861573003 has 2 divisors, whose sum is σ = 128861573004. Its totient is φ = 128861573002.

The previous prime is 128861572883. The next prime is 128861573011. The reversal of 128861573003 is 300375168821.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 128861573003 - 2⁸ = 128861572747 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (128861573053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64430786501 + 64430786502.

It is an arithmetic number, because the mean of its divisors is an integer number (64430786502).

Almost surely, 2^128861573003 is an apocalyptic number.

128861573003 is a deficient number, since it is larger than the sum of its proper divisors (1).

128861573003 is an equidigital number, since it uses as much as digits as its factorization.

128861573003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 241920, while the sum is 44.

The spelling of 128861573003 in words is "one hundred twenty-eight billion, eight hundred sixty-one million, five hundred seventy-three thousand, three".